<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>Section</title>
</head>
<body>
    <section>
        <header>
            <h3>Section 1 Heading</h3>
        </header>
        <p>Section 1 content here.</p>
    </section>
    <section>
        <header>
            <h3>Section 2 Heading</h3>
        </header>
        <p>Section 2 content here.</p>
    </section>
</body>
</html>